ACETO ACETIC ESTER 67 



CH 3 



produces the compound of the formula C N (C 2 H 5 ) 2 . The methyl- 



CH 

 C0 2 C 2 H 5 



amin product when treated with paraldehyde and sulfuric acid forms 

 a condensation product C I5 H 23 NO 4 , resembling dihydro-collidin 

 dicarboxylic ester. 



HALLER, S., 1885. 



Ber. 18, 706-709 ; J. Chem. Soc. 48, 818 ; Jsb. Chem. 1885, 1082. 

 Trimethyl-quinizin Derivatives. 



The following derivatives of acetoacetic ester were described : 

 pseudo-cumylizinacetoacetic ester, Ci 5 H 22 O 2 N 2 , which melts at 77- 

 78 and has the constitution : 



CH 3 



C N NH 



/x / \ I 



HC C CCH 3 ; 



I I I 



CH 3 C CH CH 2 



\ / \ / 

 C C0 2 C 2 H 5 



CH 3 



tetramethyl-oxyquinizin, C 9 NH 3 (CH 3 ) 4 ONH, [(CH 3 ) 4 = 1:3:4:2'];* 

 pentamethyl-oxyquinizin (pseudo-cumylantipyrine) C 9 NH 3 (CH 3 ) 4 

 ONCH 3 , [(CH 3 ) 3 : NCH 3 : CH 3 : O = i : 3 : 4 : i' : 2' : 4' *] and isoni- 

 trosotetramethyl oxyquinizin, C r2 H I5 O 2 N 3 . 



i i' 



*A A , 



__ r\/ O O 



*The carbon atoms were numbered thus : 



3C C C 3 



\ / \ / 



C C 



4 4' 



